Table 1. Main components of the essential oils of P. halepensis from different origins previously reported.
| Plant origin Sites Extraction modes |
Algeria[5],[17]–[19] |
Greece[20] |
Italy[6],[16] |
Morocco[21] |
Turkey[22],[23] | ||||||||||||
| Ghazaouet | Saïda | Sidi Feradj | Tissemsilt | Djelfa | HD | HD | HD | HD | HD | HD | HD | ||||||
| HD | HD | HD | HD | HD | |||||||||||||
| No | Compounds | % | % | % | % | % | % | % | % | % | % | % | % | ||||
| 2 | α-Pinene | nd | 6.4 | 1.2 | 6.7 | 17.6 | 13.4 | 18.1 | 8.5 | 23.3 | 47.1 | 18.4 | 16.4 | ||||
| 4 | Sabinene | nd | 0.7 | 1.2 | 7 | 2.6 | 1.3 | 9.4 | 6.1 | 3.7 | nd | 0.1 | 0.6 | ||||
| 5 | β-Pinene | nd | 5.6 | 0.2 | 2.0 | 1.6 | 1.1 | 2.0 | 1.1 | 3.1 | 2.8 | 46.8 | 18.7 | ||||
| 6 | Myrcene | nd | 0.5 | 3.1 | 8.7 | 3.2 | 6.6 | 27.9 | 12.5 | 16.3 | 6.3 | 1.3 | 3.8 | ||||
| 8 | 3-Carene | nd | 0.4 | 0.2 | 0.1 | 1.9 | 6.9 | 1.7 | 1 | nd | 1.7 | 0.9 | 16.3 | ||||
| 10 | p-Cymene | nd | nd | nd | 0.3 | 3 | nd | 1.1 | 11.4 | 0.7 | 0.4 | tr | 0.1 | ||||
| 12 | Limonene | nd | 0.1 | tr | 0.8 | 0.1 | 5.0 | 1.1 | 1 | 1.3 | 0.8 | 2.3 | 18.7 | ||||
| 16 | Terpinolene | nd | 2.4 | nd | nd | nd | nd | nd | nd | nd | nd | 0.3 | 1.8 | ||||
| 21 | Terpinen-4-ol | 0.4 | 0.6 | tr | nd | 0.6 | 0.7 | nd | nd | 3.8 | nd | nd | nd | ||||
| 22 | α-Terpinolene | nd | nd | 0.1 | 0.2 | tr | 3.1 | 9.9 | nd | 10.1 | 1 | nd | nd | ||||
| 28 | E-β-Caryophyllene | 3 | nd | nd | 7.1 | 2.7 | nd | nd | nd | nd | 11.2 | 9.2 | 9.5 | ||||
| 29 | α-Humulene | 0.74 | 10.5 | 7.9 | 2.8 | 1.4 | 3.4 | 2.9 | nd | 3.2 | 2.7 | 1.8 | 1.8 | ||||
| 30 | 2-Phenylethyl isovalerate | nd | nd | nd | 7.4 | 8.4 | nd | nd | nd | nd | nd | nd | nd | ||||
| 31 | Germacrene D | nd | 0.8 | 0.5 | 0.2 | tr | 0.5 | 0.1 | nd | nd | tr | 8.8 | 1.5 | ||||
| 37 | Caryophyllene oxide | 48.2 | nd | nd | nd | nd | nd | 0.1 | nd | 1.2 | 7.8 | 0.4 | 0.4 | ||||
| 44 | Bulnesol | nd | nd | nd | nd | nd | 7.6 | nd | nd | nd | nd | nd | nd | ||||
| Z-β-Caryophyllene | nd | 25 | 40.31 | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||||
| Aromadendrene | nd | 5.4 | 7.1 | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||||
| Humulene oxide | 6.7 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||||
| Thumbergol | 8.3 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||||
Only the main components were reported; main components are classed by number corresponding to the Table 1; only one sample was studied. Extraction mode: HD: Hydrodistillation; tr: trace (<0.05%); nd: compounds not detetcted.